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<a href="#func-members">Functions</a>  </div>
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<div class="title">Exponential functions</div>  </div>
<div class="ingroups"><a class="el" href="a00139.html">GLM Core</a></div></div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga03903bb9395a13d554a5fbecdf67792b"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:ga03903bb9395a13d554a5fbecdf67792b"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#ga03903bb9395a13d554a5fbecdf67792b">exp</a> (genType const &amp;x)</td></tr>
<tr class="memitem:ga18385688b951da01cdc3a22c232e4e28"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:ga18385688b951da01cdc3a22c232e4e28"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#ga18385688b951da01cdc3a22c232e4e28">exp2</a> (genType const &amp;x)</td></tr>
<tr class="memitem:ga3fd19e045e3943b96e0cdad22fbda111"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:ga3fd19e045e3943b96e0cdad22fbda111"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#ga3fd19e045e3943b96e0cdad22fbda111">inversesqrt</a> (genType const &amp;x)</td></tr>
<tr class="memitem:ga46a307f466090551e328eec42abf61bc"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:ga46a307f466090551e328eec42abf61bc"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#ga46a307f466090551e328eec42abf61bc">log</a> (genType const &amp;x)</td></tr>
<tr class="memitem:gae19ff18661b33a0fe1b8edee61382f40"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:gae19ff18661b33a0fe1b8edee61382f40"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#gae19ff18661b33a0fe1b8edee61382f40">log2</a> (genType const &amp;x)</td></tr>
<tr class="memitem:gac93ea301c287d87a63fa14a4c44b719b"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:gac93ea301c287d87a63fa14a4c44b719b"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#gac93ea301c287d87a63fa14a4c44b719b">pow</a> (genType const &amp;x, genType const &amp;y)</td></tr>
<tr class="memitem:ga9b2fd4f39c29e3d55c4b4087ab873f9f"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:ga9b2fd4f39c29e3d55c4b4087ab873f9f"><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00128.html#ga9b2fd4f39c29e3d55c4b4087ab873f9f">sqrt</a> (genType const &amp;x)</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<p>These all operate component-wise. </p>
<p>The description is per component. </p>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga03903bb9395a13d554a5fbecdf67792b"></a>
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          <td class="memname">genType glm::exp </td>
          <td>(</td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>x</em></td><td>)</td>
          <td></td>
        </tr>
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<p>Returns the natural exponentiation of x, i.e., e^x. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">x</td><td>exp function is defined for input values of x defined in the range (inf-, inf+) in the limit of the type precision. </td></tr>
  </table>
  </dd>
</dl>
<dl class=""><dt><b>Template Parameters:</b></dt><dd>
  <table class="">
    <tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also:</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/exp.xml">GLSL exp man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>

</div>
</div>
<a class="anchor" id="ga18385688b951da01cdc3a22c232e4e28"></a>
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        <tr>
          <td class="memname">genType glm::exp2 </td>
          <td>(</td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>x</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
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<p>Returns 2 raised to the x power. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">x</td><td>exp2 function is defined for input values of x defined in the range (inf-, inf+) in the limit of the type precision. </td></tr>
  </table>
  </dd>
</dl>
<dl class=""><dt><b>Template Parameters:</b></dt><dd>
  <table class="">
    <tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also:</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/exp2.xml">GLSL exp2 man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>

</div>
</div>
<a class="anchor" id="ga3fd19e045e3943b96e0cdad22fbda111"></a>
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          <td class="memname">genType glm::inversesqrt </td>
          <td>(</td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>x</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Returns the reciprocal of the positive square root of x. </p>
<div class="fragment"><pre class="fragment"> </pre></div> <dl class="params"><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">x</td><td>inversesqrt function is defined for input values of x defined in the range [0, inf+) in the limit of the type precision. </td></tr>
  </table>
  </dd>
</dl>
<dl class=""><dt><b>Template Parameters:</b></dt><dd>
  <table class="">
    <tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also:</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/inversesqrt.xml">GLSL inversesqrt man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>

</div>
</div>
<a class="anchor" id="ga46a307f466090551e328eec42abf61bc"></a>
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<div class="memproto">
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        <tr>
          <td class="memname">genType glm::log </td>
          <td>(</td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>x</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Returns the natural logarithm of x, i.e., returns the value y which satisfies the equation x = e^y. </p>
<p>Results are undefined if x &lt;= 0.</p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">x</td><td>log function is defined for input values of x defined in the range (0, inf+) in the limit of the type precision. </td></tr>
  </table>
  </dd>
</dl>
<dl class=""><dt><b>Template Parameters:</b></dt><dd>
  <table class="">
    <tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also:</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/log.xml">GLSL log man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>

</div>
</div>
<a class="anchor" id="gae19ff18661b33a0fe1b8edee61382f40"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">genType glm::log2 </td>
          <td>(</td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>x</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Returns the base 2 log of x, i.e., returns the value y, which satisfies the equation x = 2 ^ y. </p>
<div class="fragment"><pre class="fragment"> </pre></div> <dl class="params"><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">x</td><td>log2 function is defined for input values of x defined in the range (0, inf+) in the limit of the type precision. </td></tr>
  </table>
  </dd>
</dl>
<dl class=""><dt><b>Template Parameters:</b></dt><dd>
  <table class="">
    <tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also:</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/log2.xml">GLSL log2 man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>

</div>
</div>
<a class="anchor" id="gac93ea301c287d87a63fa14a4c44b719b"></a>
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        <tr>
          <td class="memname">genType glm::pow </td>
          <td>(</td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>y</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Returns x raised to the y power. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">x</td><td>pow function is defined for input values of x defined in the range (inf-, inf+) in the limit of the type precision. </td></tr>
    <tr><td class="paramname">y</td><td></td></tr>
  </table>
  </dd>
</dl>
<dl class=""><dt><b>Template Parameters:</b></dt><dd>
  <table class="">
    <tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also:</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/pow.xml">GLSL pow man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>

</div>
</div>
<a class="anchor" id="ga9b2fd4f39c29e3d55c4b4087ab873f9f"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">genType glm::sqrt </td>
          <td>(</td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>x</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Returns the positive square root of x. </p>
<div class="fragment"><pre class="fragment"> </pre></div> <dl class="params"><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">x</td><td>sqrt function is defined for input values of x defined in the range [0, inf+) in the limit of the type precision. </td></tr>
  </table>
  </dd>
</dl>
<dl class=""><dt><b>Template Parameters:</b></dt><dd>
  <table class="">
    <tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also:</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/sqrt.xml">GLSL sqrt man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.2 Exponential Functions</a> </dd></dl>

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